content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.github.eugene.kamenev.tsmp4j.stats;
  
  import com.github.eugene.kamenev.tsmp4j.utils.Buffer.DoubleBuffer;
  import com.github.eugene.kamenev.tsmp4j.utils.Buffer.ObjBuffer;
  
  public class RollingWindowWithoutStatistics implements RollingWindowStatistics<NoStatistic> {
  
      private final DoubleBuffer dataBuffer;
      private final ObjBuffer<NoStatistic> statsBuffer;
      private long totalDataCount = 0;
  
      public RollingWindowWithoutStatistics(int windowSize, NoStatistic[] statsBuffer) {
          this.dataBuffer = new DoubleBuffer(windowSize);
          this.statsBuffer = new ObjBuffer<>(statsBuffer);
      }
  
      @Override
      public ObjBuffer<NoStatistic> getStatsBuffer() {
          return this.statsBuffer;
      }
  
      @Override
      public DoubleBuffer getDataBuffer() {
          return this.dataBuffer;
      }
  
      @Override
      public NoStatistic apply(double value) {
          this.totalDataCount++;
          this.dataBuffer.addToEnd(value);
          var stat = new NoStatistic(value, this.totalDataCount);
          this.statsBuffer.addToEnd(stat);
          return stat;
      }
  }
  